The QPA9122 from Qorvo is a Driver Amplifier that operates from 2.3 to 5 GHz. It delivers an output power of 0.5 W (P3dB) with a gain of 36 dB. This amplifier is internally matched to 50 ohms over the entire operating frequency range and incorporates a shut-down function through the VPD pin. It requires a DC supply of 5 V and consumes 95 mA of current. The amplifier is available in an SMT laminate package that measures 3 x 3 mm and is suitable for 5G m-MIMO, mobile infrastructure, TDD / FDD systems, and general-purpose wireless applications.
